GB1433450A - Hydroquinone derivatives - Google Patents

Hydroquinone derivatives

Info

Publication number
GB1433450A
GB1433450A GB5480274A GB5480274A GB1433450A GB 1433450 A GB1433450 A GB 1433450A GB 5480274 A GB5480274 A GB 5480274A GB 5480274 A GB5480274 A GB 5480274A GB 1433450 A GB1433450 A GB 1433450A
Authority
GB
United Kingdom
Prior art keywords
dec
alkyl
hydroquinone derivatives
tetrazoylithio
hydroquinones
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5480274A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB1433450A publication Critical patent/GB1433450A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04—Five-membered rings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/30—Developers
    • G03C5/3021—Developers with oxydisable hydroxyl or amine groups linked to an aromatic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)

Abstract

1433450 Tetrazoylithio-hydroquinones FUJI PHOTO FILM CO Ltd 18 Dec 1974 [19 Dec 1973] 54802/74 Heading C2C [Also in Division G2] Novel compounds of formula where R<SP>1</SP> is alkyl or alkylthio of at least 6 C and R<SP>2</SP> is H, alkyl, nitro, COOH or alkoxycarbonyl, are prepared by reacting The products are used as development inhibitor releasing agents in photographic materials.
GB5480274A 1973-12-19 1974-12-18 Hydroquinone derivatives Expired GB1433450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48143291A JPS5821629B2 (en) 1973-12-19 1973-12-19 Hydroquinone Kagobutsu no Seizouhouhou

Publications (1)

Publication Number Publication Date
GB1433450A true GB1433450A (en) 1976-04-28

Family

ID=15335301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5480274A Expired GB1433450A (en) 1973-12-19 1974-12-18 Hydroquinone derivatives

Country Status (5)

Country Link
US (1) US3975395A (en)
JP (1) JPS5821629B2 (en)
DE (1) DE2460202A1 (en)
FR (1) FR2255302B1 (en)
GB (1) GB1433450A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2515102B2 (en) * 1986-07-16 1996-07-10 富士写真フイルム株式会社 Silver halide photographic material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3639417A (en) * 1963-02-28 1972-02-01 Eastman Kodak Co 2-tetrazolylthiohydroquinones
US3379529A (en) * 1963-02-28 1968-04-23 Eastman Kodak Co Photographic inhibitor-releasing developers
BE790873A (en) * 1971-11-10 1973-05-03 Agfa Gevaert Nv PHOTOGRAPHIC EMULSIONS OF THE LIPPMANN TYPE

Also Published As

Publication number Publication date
US3975395A (en) 1976-08-17
JPS5821629B2 (en) 1983-05-02
FR2255302B1 (en) 1979-08-10
JPS5093971A (en) 1975-07-26
DE2460202A1 (en) 1975-07-03
FR2255302A1 (en) 1975-07-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee